Sexual Inversion 1.0 Sexual Inversion by HAVELOCK ELLIS It has been remarked by Professor Wilhelm Ostwald that the problem of homosexuality is a problem left over to us by the Middle Ages, which for five hundred years dealt with inverts as it dealt with heretics and witches. To regard the matter thus is to emphasize its social and humanitarian interest rather than its biological and psychological significance. It is no doubt this human interest of the question of